Narrative:
The propeller couldn't be feathered following an engine failure. The aircraft lost speed and altitude and had to be ditched before it could reach the airport.
PROBABLE CAUSE:
pilot in command - attempted operation w/known deficiencies in equipment
personnel - maintenance,servicing,inspection: inadequate maintenance and inspection
powerplant - ignition system: ignition harness,shielding
powerplant - propeller and accessories: hydraulic pitch control mechanism
pilot in command - failed to follow approved procedures,directives,etc.
miscellaneous acts,conditions - improper emergency procedures
FACTORS:
systems - electrical system: generators/alternators
systems - electrical system: batteries
complete power loss - complete engine failure/flameout-1 engine
emergency circumstances - forced landing off airport on water
accident date: 08-02-1977
type: Curtiss C-46D Commando
registration: HI-208
| Status: | Accident investigation report completed and information captured |
| Date: | Tuesday 8 February 1977 |
| Time: | 14:13 |
| Type: |  Curtiss C-46D-5-CU Commando |
| Operator: | Aerolineas Argo |
| Registration: | HI-208 |
| MSN: | 30685 |
| First flight: | 1944 |
| Crew: | Fatalities: 0 / Occupants: 2 |
| Passengers: | Fatalities: 0 / Occupants: 0 |
| Total: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Damaged beyond repair |
| Location: | off San Juan-Isla Grande Airport (SIG) ( Puerto Rico)
|
| Phase: | Initial climb (ICL) |
| Nature: | Cargo |
| Departure airport: | San Juan-Isla Grande Airport (SIG/TJIG), Puerto Rico |
| ? |
The propeller couldn't be feathered following an engine failure. The aircraft lost speed and altitude and had to be ditched before it could reach the airport.
Probable Cause:
PROBABLE CAUSE:
pilot in command - attempted operation w/known deficiencies in equipment
personnel - maintenance,servicing,inspection: inadequate maintenance and inspection
powerplant - ignition system: ignition harness,shielding
powerplant - propeller and accessories: hydraulic pitch control mechanism
pilot in command - failed to follow approved procedures,directives,etc.
miscellaneous acts,conditions - improper emergency procedures
FACTORS:
systems - electrical system: generators/alternators
systems - electrical system: batteries
complete power loss - complete engine failure/flameout-1 engine
emergency circumstances - forced landing off airport on water
Classification:
Ditching
Sources:
» NTSBPhotos
accident date: 08-02-1977
type: Curtiss C-46D Commando
registration: HI-208
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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